Shark Marine Technologies Inc. manufactures custom reels for various applications from side-scan sonar, to drop video systems to ROV’s. Reels are available in numerous configurations from manual wind to electric or hydraulic. Slip rings are also available which make it possible to operate the attached equipment continuously while deploying and retrieving the cable. The level-wind option keeps the cable wrap more efficient and helps preserve the life of the cable. Lifting options allow heavier units to be hoisted on-board by mechanical means.